866880735488 has 36 divisors (see below), whose sum is σ = 1730434702080. Its totient is φ = 433425467904.

The previous prime is 866880735467. The next prime is 866880735499. The reversal of 866880735488 is 884537088668.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14574353 + ... + 14633711.

Almost surely, 2^866880735488 is an apocalyptic number.

It is an amenable number.

866880735488 is a deficient number, since it is larger than the sum of its proper divisors (863553966592).

866880735488 is an equidigital number, since it uses as much as digits as its factorization.

866880735488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116422 (or 116408 counting only the distinct ones).

The product of its (nonzero) digits is 495452160, while the sum is 71.

The spelling of 866880735488 in words is "eight hundred sixty-six billion, eight hundred eighty million, seven hundred thirty-five thousand, four hundred eighty-eight".